Poularikas , A. D., & Seely, S. . .. (1985). Signals and systems. PWS - Kent.
Cita Chicago (17th ed.)Poularikas , Alexander D., i Samuel Seely. Signals and Systems. Boston: PWS - Kent, 1985.
Cita MLA (9th ed.)Poularikas , Alexander D., i Samuel Seely. Signals and Systems. PWS - Kent, 1985.
Atenció: Aquestes cites poden no estar 100% correctes.